Turning a 1955 Chevy Into a Modern Hotrod - No Jive For Your '55
|
Both the iron (bottom) and aluminum casts are obviously rectangular port BBC heads. The stock iron castings typically have 320cc intake runners. The smaller 305cc AFRs have higher air velocity with much better flow. AFR has done lots of R&D to design its heads with a smaller port volume, better port shape, combustion chamber, and a special five-angle valve job to produce a desirable head package. View Related Article
|
|